unix: add MNT_* constants on Darwin

Add the MNT_* constants used for the Mount and Umount functions on
Darwin.

Generated on Mac OS 10.11 (Darwin 15.6.0). This also brings
zerrors_darwin_{arm,arm64} up to date with constants which are already
present for 386 and amd64.

Fixes golang/go#9891

Change-Id: Id77847a2fb805a759aa0f5b36e8954b764e699a5
Reviewed-on: https://go-review.googlesource.com/54210
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
diff --git a/unix/zerrors_darwin_arm64.go b/unix/zerrors_darwin_arm64.go
index 3189c6b..cc8cc5b 100644
--- a/unix/zerrors_darwin_arm64.go
+++ b/unix/zerrors_darwin_arm64.go
@@ -1,5 +1,5 @@
 // mkerrors.sh -m64
-// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
+// Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build arm64,darwin
 
@@ -48,6 +48,7 @@
 	AF_UNIX                           = 0x1
 	AF_UNSPEC                         = 0x0
 	AF_UTUN                           = 0x26
+	ALTWERASE                         = 0x200
 	B0                                = 0x0
 	B110                              = 0x6e
 	B115200                           = 0x1c200
@@ -138,9 +139,26 @@
 	BPF_W                             = 0x0
 	BPF_X                             = 0x8
 	BRKINT                            = 0x2
+	BS0                               = 0x0
+	BS1                               = 0x8000
+	BSDLY                             = 0x8000
 	CFLUSH                            = 0xf
 	CLOCAL                            = 0x8000
+	CLOCK_MONOTONIC                   = 0x6
+	CLOCK_MONOTONIC_RAW               = 0x4
+	CLOCK_MONOTONIC_RAW_APPROX        = 0x5
+	CLOCK_PROCESS_CPUTIME_ID          = 0xc
+	CLOCK_REALTIME                    = 0x0
+	CLOCK_THREAD_CPUTIME_ID           = 0x10
+	CLOCK_UPTIME_RAW                  = 0x8
+	CLOCK_UPTIME_RAW_APPROX           = 0x9
+	CR0                               = 0x0
+	CR1                               = 0x1000
+	CR2                               = 0x2000
+	CR3                               = 0x3000
+	CRDLY                             = 0x3000
 	CREAD                             = 0x800
+	CRTSCTS                           = 0x30000
 	CS5                               = 0x0
 	CS6                               = 0x100
 	CS7                               = 0x200
@@ -332,13 +350,14 @@
 	ECHONL                            = 0x10
 	ECHOPRT                           = 0x20
 	EVFILT_AIO                        = -0x3
+	EVFILT_EXCEPT                     = -0xf
 	EVFILT_FS                         = -0x9
 	EVFILT_MACHPORT                   = -0x8
 	EVFILT_PROC                       = -0x5
 	EVFILT_READ                       = -0x1
 	EVFILT_SIGNAL                     = -0x6
-	EVFILT_SYSCOUNT                   = 0xe
-	EVFILT_THREADMARKER               = 0xe
+	EVFILT_SYSCOUNT                   = 0xf
+	EVFILT_THREADMARKER               = 0xf
 	EVFILT_TIMER                      = -0x7
 	EVFILT_USER                       = -0xa
 	EVFILT_VM                         = -0xc
@@ -349,6 +368,7 @@
 	EV_DELETE                         = 0x2
 	EV_DISABLE                        = 0x8
 	EV_DISPATCH                       = 0x80
+	EV_DISPATCH2                      = 0x180
 	EV_ENABLE                         = 0x4
 	EV_EOF                            = 0x8000
 	EV_ERROR                          = 0x4000
@@ -359,16 +379,25 @@
 	EV_POLL                           = 0x1000
 	EV_RECEIPT                        = 0x40
 	EV_SYSFLAGS                       = 0xf000
+	EV_UDATA_SPECIFIC                 = 0x100
+	EV_VANISHED                       = 0x200
 	EXTA                              = 0x4b00
 	EXTB                              = 0x9600
 	EXTPROC                           = 0x800
 	FD_CLOEXEC                        = 0x1
 	FD_SETSIZE                        = 0x400
+	FF0                               = 0x0
+	FF1                               = 0x4000
+	FFDLY                             = 0x4000
 	FLUSHO                            = 0x800000
 	F_ADDFILESIGS                     = 0x3d
+	F_ADDFILESIGS_FOR_DYLD_SIM        = 0x53
+	F_ADDFILESIGS_RETURN              = 0x61
 	F_ADDSIGS                         = 0x3b
 	F_ALLOCATEALL                     = 0x4
 	F_ALLOCATECONTIG                  = 0x2
+	F_BARRIERFSYNC                    = 0x55
+	F_CHECK_LV                        = 0x62
 	F_CHKCLEAN                        = 0x29
 	F_DUPFD                           = 0x0
 	F_DUPFD_CLOEXEC                   = 0x43
@@ -770,11 +799,13 @@
 	MADV_FREE_REUSABLE                = 0x7
 	MADV_FREE_REUSE                   = 0x8
 	MADV_NORMAL                       = 0x0
+	MADV_PAGEOUT                      = 0xa
 	MADV_RANDOM                       = 0x1
 	MADV_SEQUENTIAL                   = 0x2
 	MADV_WILLNEED                     = 0x3
 	MADV_ZERO_WIRED_PAGES             = 0x6
 	MAP_ANON                          = 0x1000
+	MAP_ANONYMOUS                     = 0x1000
 	MAP_COPY                          = 0x2
 	MAP_FILE                          = 0x0
 	MAP_FIXED                         = 0x10
@@ -786,9 +817,43 @@
 	MAP_PRIVATE                       = 0x2
 	MAP_RENAME                        = 0x20
 	MAP_RESERVED0080                  = 0x80
+	MAP_RESILIENT_CODESIGN            = 0x2000
+	MAP_RESILIENT_MEDIA               = 0x4000
 	MAP_SHARED                        = 0x1
 	MCL_CURRENT                       = 0x1
 	MCL_FUTURE                        = 0x2
+	MNT_ASYNC                         = 0x40
+	MNT_AUTOMOUNTED                   = 0x400000
+	MNT_CMDFLAGS                      = 0xf0000
+	MNT_CPROTECT                      = 0x80
+	MNT_DEFWRITE                      = 0x2000000
+	MNT_DONTBROWSE                    = 0x100000
+	MNT_DOVOLFS                       = 0x8000
+	MNT_DWAIT                         = 0x4
+	MNT_EXPORTED                      = 0x100
+	MNT_FORCE                         = 0x80000
+	MNT_IGNORE_OWNERSHIP              = 0x200000
+	MNT_JOURNALED                     = 0x800000
+	MNT_LOCAL                         = 0x1000
+	MNT_MULTILABEL                    = 0x4000000
+	MNT_NOATIME                       = 0x10000000
+	MNT_NOBLOCK                       = 0x20000
+	MNT_NODEV                         = 0x10
+	MNT_NOEXEC                        = 0x4
+	MNT_NOSUID                        = 0x8
+	MNT_NOUSERXATTR                   = 0x1000000
+	MNT_NOWAIT                        = 0x2
+	MNT_QUARANTINE                    = 0x400
+	MNT_QUOTA                         = 0x2000
+	MNT_RDONLY                        = 0x1
+	MNT_RELOAD                        = 0x40000
+	MNT_ROOTFS                        = 0x4000
+	MNT_SYNCHRONOUS                   = 0x2
+	MNT_UNION                         = 0x20
+	MNT_UNKNOWNPERMISSIONS            = 0x200000
+	MNT_UPDATE                        = 0x10000
+	MNT_VISFLAGMASK                   = 0x17f0f5ff
+	MNT_WAIT                          = 0x1
 	MSG_CTRUNC                        = 0x20
 	MSG_DONTROUTE                     = 0x4
 	MSG_DONTWAIT                      = 0x80
@@ -819,7 +884,13 @@
 	NET_RT_MAXID                      = 0xa
 	NET_RT_STAT                       = 0x4
 	NET_RT_TRASH                      = 0x5
+	NL0                               = 0x0
+	NL1                               = 0x100
+	NL2                               = 0x200
+	NL3                               = 0x300
+	NLDLY                             = 0x300
 	NOFLSH                            = 0x80000000
+	NOKERNINFO                        = 0x2000000
 	NOTE_ABSOLUTE                     = 0x8
 	NOTE_ATTRIB                       = 0x8
 	NOTE_BACKGROUND                   = 0x40
@@ -843,11 +914,14 @@
 	NOTE_FFNOP                        = 0x0
 	NOTE_FFOR                         = 0x80000000
 	NOTE_FORK                         = 0x40000000
+	NOTE_FUNLOCK                      = 0x100
 	NOTE_LEEWAY                       = 0x10
 	NOTE_LINK                         = 0x10
 	NOTE_LOWAT                        = 0x1
+	NOTE_MACH_CONTINUOUS_TIME         = 0x80
 	NOTE_NONE                         = 0x80
 	NOTE_NSECONDS                     = 0x4
+	NOTE_OOB                          = 0x2
 	NOTE_PCTRLMASK                    = -0x100000
 	NOTE_PDATAMASK                    = 0xfffff
 	NOTE_REAP                         = 0x10000000
@@ -872,6 +946,7 @@
 	ONOCR                             = 0x20
 	ONOEOT                            = 0x8
 	OPOST                             = 0x1
+	OXTABS                            = 0x4
 	O_ACCMODE                         = 0x3
 	O_ALERT                           = 0x20000000
 	O_APPEND                          = 0x8
@@ -880,6 +955,7 @@
 	O_CREAT                           = 0x200
 	O_DIRECTORY                       = 0x100000
 	O_DP_GETRAWENCRYPTED              = 0x1
+	O_DP_GETRAWUNENCRYPTED            = 0x2
 	O_DSYNC                           = 0x400000
 	O_EVTONLY                         = 0x8000
 	O_EXCL                            = 0x800
@@ -932,7 +1008,10 @@
 	RLIMIT_CPU_USAGE_MONITOR          = 0x2
 	RLIMIT_DATA                       = 0x2
 	RLIMIT_FSIZE                      = 0x1
+	RLIMIT_MEMLOCK                    = 0x6
 	RLIMIT_NOFILE                     = 0x8
+	RLIMIT_NPROC                      = 0x7
+	RLIMIT_RSS                        = 0x5
 	RLIMIT_STACK                      = 0x3
 	RLIM_INFINITY                     = 0x7fffffffffffffff
 	RTAX_AUTHOR                       = 0x6
@@ -1102,6 +1181,8 @@
 	SO_LABEL                          = 0x1010
 	SO_LINGER                         = 0x80
 	SO_LINGER_SEC                     = 0x1080
+	SO_NETSVC_MARKING_LEVEL           = 0x1119
+	SO_NET_SERVICE_TYPE               = 0x1116
 	SO_NKE                            = 0x1021
 	SO_NOADDRERR                      = 0x1023
 	SO_NOSIGPIPE                      = 0x1022
@@ -1157,11 +1238,22 @@
 	S_IXGRP                           = 0x8
 	S_IXOTH                           = 0x1
 	S_IXUSR                           = 0x40
+	TAB0                              = 0x0
+	TAB1                              = 0x400
+	TAB2                              = 0x800
+	TAB3                              = 0x4
+	TABDLY                            = 0xc04
 	TCIFLUSH                          = 0x1
+	TCIOFF                            = 0x3
 	TCIOFLUSH                         = 0x3
+	TCION                             = 0x4
 	TCOFLUSH                          = 0x2
+	TCOOFF                            = 0x1
+	TCOON                             = 0x2
 	TCP_CONNECTIONTIMEOUT             = 0x20
+	TCP_CONNECTION_INFO               = 0x106
 	TCP_ENABLE_ECN                    = 0x104
+	TCP_FASTOPEN                      = 0x105
 	TCP_KEEPALIVE                     = 0x10
 	TCP_KEEPCNT                       = 0x102
 	TCP_KEEPINTVL                     = 0x101
@@ -1261,6 +1353,11 @@
 	VKILL                             = 0x5
 	VLNEXT                            = 0xe
 	VMIN                              = 0x10
+	VM_LOADAVG                        = 0x2
+	VM_MACHFACTOR                     = 0x4
+	VM_MAXID                          = 0x6
+	VM_METER                          = 0x1
+	VM_SWAPUSAGE                      = 0x5
 	VQUIT                             = 0x9
 	VREPRINT                          = 0x6
 	VSTART                            = 0xc